Hi,
I met a problem ,when I constructed a user-defined PC. That is I need to
defind the process of P^(-1)Mx in each iteration of GMRES by myself for
efficient reason, not only define P^(-1)x . But the Petsc seems to separate
this process into two parts: the first is y=Mx which is defined in Petsc
framework, and the second is P^(-1)y which is defined by the user. So, is
there any way to do it without change the code of Petsc framework?
Regards,
Jiaxun
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